Dr. Erhard Keller | Dusseldorf | Hogan Lovells

Dr. Erhard Keller

Partner Intellectual Property, Media, and Technology


English, German

Keller Erhard

Dr. Erhard Keller
Keller Erhard
  • Overview
  • Experience
  • Credentials
  • Insights and events
quote mark

“Erhard provides a reliable first-class service, on very short notice if needed. Even in high-pressure situations, he remains calm and keeps a sense of humour.” (client)

WTR 1000, 2022

Erhard Keller has extensive experience in patent litigation and invalidity proceedings in all technical areas, with a specific focus on engineering and telecommunication, especially standard essential patents. He also has litigated countless trademark, unfair competition and copyright disputes as well as represented clients before the European Court of Justice. Erhard is also experienced in negotiating and drafting licensing agreements and a leading expert in trademark secret law with a leading commentary in this field (see: Keller/Schönknecht/Glinke  Geschäftsgeheimnisschutzgesetz: GeschGehG).

He is chairman of the expert committee for trademark law and unfair competition at the German Association of Intellectual Property. 

He is a regular speaker at IP-related conferences. Erhard studied law in Heidelberg. After five years as an assistant to Prof. Hefermehl, a leading character in the field of intellectual property law, he joined the former IP-boutique von Falck & Tilmann in 1989 and became a partner in 1991.

quote mark

Erhard Keller is a highly regarded figure in the market who receives plaudits by interviewees for being "versatile in what he does and very strong in details." His distinguished practice covers trade secret and domain infringement claims, as well as product imitation disputes.

Chambers Global: Ranking 2022


  • Heidelberg University
  • German Association of Intellectual Property and Copyright Law (GRUR)


Intellectual Property: Trade Mark & Unfair Competition (Germany)

Chambers Global

Leading lawyer for competition law, real authority in UWG

JUVE Handbook

Trade Mark Star and Patent Star


Included for Intellectual Property law

Edition Best Lawyers™ in Germany

Great knowledge, always thorough and prudent.


Top lawyer for Copyright Law